1335691121 has 16 divisors (see below), whose sum is σ = 1417409280. Its totient is φ = 1256048640.

The previous prime is 1335691111. The next prime is 1335691243. The reversal of 1335691121 is 1211965331.

It is a cyclic number.

It is not a de Polignac number, because 1335691121 - 2⁶ = 1335691057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1335691111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706145 + ... + 708033.

It is an arithmetic number, because the mean of its divisors is an integer number (88588080).

Almost surely, 2^1335691121 is an apocalyptic number.

It is an amenable number.

1335691121 is a deficient number, since it is larger than the sum of its proper divisors (81718159).

1335691121 is a wasteful number, since it uses less digits than its factorization.

1335691121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416.

The product of its digits is 4860, while the sum is 32.

The square root of 1335691121 is about 36547.1082440184. The cubic root of 1335691121 is about 1101.2908045365.

The spelling of 1335691121 in words is "one billion, three hundred thirty-five million, six hundred ninety-one thousand, one hundred twenty-one".